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m^2+2mn+n^2-p^2-2pq-q^2 因式分解
人气:381 ℃ 时间:2020-06-26 02:15:56
解答
m^2+2mn+n^2-p^2-2pq-q^2
=m^2+2mn+n^2-(p^2+2pq+q^2)
=(m+n)^2-(p+q)^2
=(m+n+p+q)(m+n-p-q)
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